Bluelab 4.0 pH Calibration Solution

  Bluelab 4.0 pH Calibration Solution The Bluelab Calibration Solutions should be a part of every growers toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe.   Improve product longevity with regular calibration How to calibrate your Bluelab pH products  If you want to improve your Bluelab pH product’s accuracy and longevity, you’ll need to get into the habit of regular cleaning and calibration.   Luckily, the easy-to-follow calibration process is the same for all Bluelab pH meters and pens.  Always remember to calibrate to 7.0 first. After cleaning your pH probe, you’ll need to calibrate it with pH calibration solutions at two reference standards - 4.0 and 7.0 pH. Once calibrated, you can start measuring pH again immediately. You’ll need to recalibrate whenever you clean your pH probe and when your meter alerts you that